TY  - BOOK
AU  - Petrosyan, Arshak.
AU  - Uraltseva, Nina.
AU  - Shahgholian.
TI  - Regularity of free boundaries in obstacle type problems
T2  -  Graduate studies in mathematics ; v. 136
SN  - 9780821887943
U1  - 515.353  PET 
PY  - 2012///
CY  - Rhode Island
PB  - American Mathematical Society
KW  - Analysis
KW  - Boundary value problems
N1  - Includes bibliographical references and index
ER  -